BBC Our World – China’s Hidden Camps (2018)

China is accused of locking up as many as a million Muslims in its western region of Xinjiang. The government denies this, claiming people willingly attend special ‘vocational schools’ to combat ‘terrorism and religious extremism’. But a BBC investigation has found evidence of a vast, and rapidly growing, network of detention centres where people are held against their will and often abused and humiliated.